diff --git a/common/framework/debug.php b/common/framework/debug.php
index 6b8675aae..fe92ed8aa 100644
--- a/common/framework/debug.php
+++ b/common/framework/debug.php
@@ -270,7 +270,7 @@ class Debug
 		
 		// Get the backtrace.
 		$backtrace = debug_backtrace(\DEBUG_BACKTRACE_IGNORE_ARGS);
-		if (count($backtrace) > 1 && $backtrace[1]['function'] === 'debugPrint' && !$backtrace[1]['class'])
+		if (count($backtrace) > 1 && $backtrace[1]['function'] === 'debugPrint' && !isset($backtrace[1]['class']))
 		{
 			array_shift($backtrace);
 		}
diff --git a/layouts/xedition/layout.html b/layouts/xedition/layout.html
index aa1d43a42..e614e0bf8 100644
--- a/layouts/xedition/layout.html
+++ b/layouts/xedition/layout.html
@@ -219,7 +219,7 @@
 						<!--@if($is_logged)-->
 							<!-- after_login -->
 							<a href="{getUrl('act', 'dispMemberInfo')}" class="login_after">
-								<!--@if($logged_info->profile_image->src)-->
+								<!--@if(isset($logged_info->profile_image->src))-->
 									<img src="{$logged_info->profile_image->src}" alt="{$logged_info->nick_name}" />
 								<!--@else-->
 									<img src="./img/ico_default.jpg" alt="{$logged_info->nick_name}" />
diff --git a/modules/board/board.view.php b/modules/board/board.view.php
index 2f6d23ead..8f019da42 100644
--- a/modules/board/board.view.php
+++ b/modules/board/board.view.php
@@ -465,7 +465,11 @@ class boardView extends board
 			$args->module_srl = $this->include_modules ?: $this->module_srl;
 		}
 		$output = DocumentModel::getNoticeList($args, $this->columnList);
-		$notice_list = $output->data;
+		if(isset($output->data))
+		{
+			$notice_list = $output->data;
+		}
+		
 		$this->_fillModuleTitles($notice_list);
 		Context::set('notice_list', $notice_list);
 	}
diff --git a/modules/ncenterlite/ncenterlite.controller.php b/modules/ncenterlite/ncenterlite.controller.php
index 3bf1ea788..fc5009b7b 100644
--- a/modules/ncenterlite/ncenterlite.controller.php
+++ b/modules/ncenterlite/ncenterlite.controller.php
@@ -1070,10 +1070,10 @@ class ncenterliteController extends ncenterlite
 		}
 
 		$_latest_notify_id = array_slice($_output->data, 0, 1);
-		$_latest_notify_id = $_latest_notify_id[0]->notify;
+		$_latest_notify_id = count($_latest_notify_id) > 0 ? $_latest_notify_id[0]->notify : "";
 		Context::set('ncenterlite_latest_notify_id', $_latest_notify_id);
 
-		if($_COOKIE['_ncenterlite_hide_id'] && $_COOKIE['_ncenterlite_hide_id'] == $_latest_notify_id)
+		if(isset($_COOKIE['_ncenterlite_hide_id']) && $_COOKIE['_ncenterlite_hide_id'] == $_latest_notify_id)
 		{
 			return;
 		}